Surah At-Tur 52:11

فَوَيْلٌ يَوْمَئِذٍ لِّلْمُكَذِّبِينَ

Then woe, that Day, to the deniers,

Translation: Saheeh International

Tafsir

Woe then terrible chastisement will come on that day to the deniers of the messengers

Excerpt from Tafsir al-Jalalayn, commentary on 52:11, via Quran.com. The reader has the full commentary and 9 more tafsirs.